US gallons to US fluid ounces
1 gal = 128 fl oz
All units in this category
- 3,785.4118ml
- 378.54118cl
- 37.854118dl
- 3.7854118l
- 0.0037854118m³
- 757.08236tsk
- 252.36079msk
- 16cup
- 128fl oz
- 8pt
- 1gal
- 0.83267418gal (UK)
Formula
Multiply the value in US gallons by 128 to get US fluid ounces.
fl oz = gal × 128
How to convert US gallons to US fluid ounces
Type a value in the field above and the result is calculated instantly. Use the arrow button to swap direction, or pick other units from the lists.
US gallons to US fluid ounces – common values
| US gallons (gal) | US fluid ounces (fl oz) |
|---|---|
| 1 | 128 |
| 2 | 256 |
| 3 | 384 |
| 5 | 640 |
| 10 | 1,280 |
| 20 | 2,560 |
| 50 | 6,400 |
| 100 | 12,800 |
| 500 | 64,000 |
| 1,000 | 128,000 |
About the units
US gallons. A US gallon is 3.785 litres. The imperial gallon is larger at 4.546 litres.